FCTC WRITTEN STUDY GUIDE QUESTIONS WITH
VERIFIED ANSWERS GRADED A+.
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, 1. Classes of Levers ANS>> Class 1, Class 2, Class 3
2. Class 1 Levers ANS>> Fulcrum is in the middle, with the ettort (input) force on one side of the fulcrum and
resistance
(output) on the other side.
Mechanical Advantage greater or less than 1
Ex ANS>> Seesaw, Crowbar, Pair of Scissors.
3. Class 2 Levers ANS>> Resistance is in the middle, the ettort is applied on one side of the resistance and the
fulcrum
on the other side.
Mechanical Advantage always greater than 1
Ex ANS>> Wheelbarrow, nutcracker, bottle opener, or the brake pedal of a car.
4. Class 3 Levers ANS>> Ettort in the middle, the resistance is on one side of the ettort and the fulcrum is
located on the other side.
Mechanical Advantage always less than 1
Ex ANS>> Pair of tweezers, human
mandible
5. Lever Definitions ANS>> Lever machine consisting of a beam or rigid rod pivoted at a fixed hinged, or
fulcrum.
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VERIFIED ANSWERS GRADED A+.
1/7
, 1. Classes of Levers ANS>> Class 1, Class 2, Class 3
2. Class 1 Levers ANS>> Fulcrum is in the middle, with the ettort (input) force on one side of the fulcrum and
resistance
(output) on the other side.
Mechanical Advantage greater or less than 1
Ex ANS>> Seesaw, Crowbar, Pair of Scissors.
3. Class 2 Levers ANS>> Resistance is in the middle, the ettort is applied on one side of the resistance and the
fulcrum
on the other side.
Mechanical Advantage always greater than 1
Ex ANS>> Wheelbarrow, nutcracker, bottle opener, or the brake pedal of a car.
4. Class 3 Levers ANS>> Ettort in the middle, the resistance is on one side of the ettort and the fulcrum is
located on the other side.
Mechanical Advantage always less than 1
Ex ANS>> Pair of tweezers, human
mandible
5. Lever Definitions ANS>> Lever machine consisting of a beam or rigid rod pivoted at a fixed hinged, or
fulcrum.
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